body
{
    background: url(../img/bg.jpg);
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: 110%;
    background-size: cover;
}

a
{
    text-decoration: none;
}



.loginbox
{
    width: 500px;
    height: 600px;
    margin: auto;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 50px;
    background-image: linear-gradient(to top,#66666600,#ffffff);
    border-radius: 15px;

}

.loginbox .login_header
{
    color: #000000;
    margin:100px auto;
    font-size: 50px;
    text-align: center;

    line-height: 50px;
    font-family: '方正稚艺简体';

}
.input_area
{
    text-align: center;
    margin: 50px 0px;
}
.input_area input
{
    border: none;
    background:#000000;
    text-align: center;
    color: #ffffff;
    outline: none;
    width: 300px;
    margin-top: 2px;
    font-size: 30px;
    font-family: '建行儒黑中';
}

.input_area input::placeholder
{
    font-family: '方正稚艺简体';
    color: #9c9c9c;
    
}

.input_area .userinput
{
    background-image: linear-gradient(to right,#bcbfc6,#447cff);
    height: 60px;
    width: 100%;
    margin-bottom: 30px;
    border-radius: 30px;
    margin: 50px 0px;

}

.input_area .userinput .fill
{
    height: calc(100% - 6px);
    width: calc(100% - 25px);
    border-radius: 30px;
}

.loginbtn
{
    width: 200px;
    height: 75px;
    border: #bcbfc6 solid;
    background-color:transparent;
    color: #ffffff;
    margin: auto;
    font-size: 40px;
    
    text-transform: uppercase;
    line-height: 70px;
    border-radius: 30px;
    cursor: pointer;
    user-select: none;
    font-family: '方正稚艺简体';
    display: flex;
    align-items: center;
    text-align: center;
    text-indent: 30px;
}


.loginbtn:hover
{
    color: #000000;
    background-color: #1c60ff;
    border: #1c60ff solid;
    transition: all 0.5s;
}


.forgetbtn
{
    width: 150px;
    height: 50px;
    border: #bcbfc6 solid;
    color: #ffffff;
    margin: auto;
    margin-top: 35px;
    font-size: 25px;
    text-align: center;
    text-transform: uppercase;
    line-height: 50px;
    border-radius: 30px;
    cursor: pointer;
    user-select: none;
    font-family: '方正稚艺简体'
}

.forgetbtn:hover
{
    color: #000000;
    background-color: #1c60ff;
    border: #1c60ff solid;
    transition: all 0.5s;
}

.login_back1
{
    width: 0px;
    height: 40px;
    background-color: #000000;
    border-radius: 15px;
    user-select: none;
    position: absolute;
    font-size: 0px;
}

.login_back2
{
    background: url(../img/backward.png);
    background-size: 25%;
    background-position: center;
    background-repeat: no-repeat;
    width: 100px;
    height: 40px;
    border: #000000 solid;
    color: none;
    font-size: 0px;
    text-align: center;
    line-height: 40px;
    border-radius: 20px;
    cursor: pointer;
    user-select: none;
    font-family: '方正稚艺简体';
    position: absolute;

}
.login_back2:hover
{
    color: #DCDCDB;
}

.login_back2:hover .login_back1
{
    width: 100px;
    font-size: 20px;
    transition: width ease-out 0.3s;

}